pause/resume parsing
fix formatting
pause/resume input stream, too (not just expat)
somewhat more descriptive errors
fix speling and detail another error report.
add a note: resume() must not be called from within a handler callback.
dont resume stream if resuming parser resulted in it being paused again; throw errors in pause()/resume()
Merge pull request #23 from dturing/master

enable pause/resume; parser error messages